This story follows the end of Season 4 of She-ra and the Princesses of Power. Horde Prime has captured the princesses of Eternia, but lack the key to their power: She-Ra. Adora, now without the sword of protection, has fled the planet in Mara's ship in search of the First Ones or their technology to fight the horde. With Entrapta as Pilot and Bow as the Mechanic, the trio comes across a spark of hope deep into the wider universe. Meanwhile, all across the universe, but especially on Etheria, new people with amazing powers are coming to light, but will they serve the Horde, the First Ones, or the Rebellion?